docs: async def set_display_name(self, name: str):
          """
          Set the display name of the user. See also: `API reference`_
  
          Args:
              name: The new display name for the user.
  
          .. _API reference:
             https://matrix.org/docs/spec/client_server/r0.3.0.html#put-matrix-client-r0-profile-userid-displayname
          """
          await self.ensure_registered()
          content = {"displayname": name}
          await self.client.request("PUT", f"/profile/{self.mxid}/displayname", content)